[INFO] fetching crate gemgen 0.2.1...
[INFO] testing gemgen-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate gemgen 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate gemgen 0.2.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gemgen 0.2.1
[INFO] finished tweaking crates.io crate gemgen 0.2.1
[INFO] tweaked toml for crates.io crate gemgen 0.2.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate gemgen 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ed25519 v1.0.3
[INFO] [stderr]   Downloaded signature v1.3.0
[INFO] [stderr]   Downloaded substrate-bip39 v0.4.2
[INFO] [stderr]   Downloaded pbkdf2 v0.3.0
[INFO] [stderr]   Downloaded zeroize_derive v1.0.1
[INFO] [stderr]   Downloaded curve25519-dalek v3.0.2
[INFO] [stderr]   Downloaded sha2 v0.8.1
[INFO] [stderr]   Downloaded sp-std v2.0.1
[INFO] [stderr]   Downloaded sp-core v2.0.1
[INFO] [stderr]   Downloaded parity-scale-codec-derive v1.2.2
[INFO] [stderr]   Downloaded sp-runtime-interface v2.0.1
[INFO] [stderr]   Downloaded curve25519-dalek v2.0.0
[INFO] [stderr]   Downloaded sp-storage v2.0.1
[INFO] [stderr]   Downloaded gemblockchain v0.2.1
[INFO] [stderr]   Downloaded tiny-bip39 v0.7.3
[INFO] [stderr]   Downloaded sp-wasm-interface v2.0.1
[INFO] [stderr]   Downloaded impl-trait-for-tuples v0.1.3
[INFO] [stderr]   Downloaded sp-externalities v0.8.1
[INFO] [stderr]   Downloaded sp-tracing v2.0.1
[INFO] [stderr]   Downloaded sp-runtime-interface-proc-macro v2.0.1
[INFO] [stderr]   Downloaded parity-scale-codec v1.3.6
[INFO] [stderr]   Downloaded secrecy v0.6.0
[INFO] [stderr]   Downloaded environmental v1.1.2
[INFO] [stderr]   Downloaded sp-debug-derive v2.0.1
[INFO] [stderr]   Downloaded tracing-log v0.1.1
[INFO] [stderr]   Downloaded parity-util-mem v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a94df5e89fa581f6e126db5a4293c71457acca35168153b1c6ae03063b3444a3
[INFO] running `Command { std: "docker" "start" "-a" "a94df5e89fa581f6e126db5a4293c71457acca35168153b1c6ae03063b3444a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a94df5e89fa581f6e126db5a4293c71457acca35168153b1c6ae03063b3444a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a94df5e89fa581f6e126db5a4293c71457acca35168153b1c6ae03063b3444a3", kill_on_drop: false }`
[INFO] [stdout] a94df5e89fa581f6e126db5a4293c71457acca35168153b1c6ae03063b3444a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 159b9d4bc223a7f296adaa77f73a04c400e4ef1f5b02e13f632f3493c90e066c
[INFO] running `Command { std: "docker" "start" "-a" "159b9d4bc223a7f296adaa77f73a04c400e4ef1f5b02e13f632f3493c90e066c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling subtle v2.2.2
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling sp-std v2.0.1
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling parity-wasm v0.41.0
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling parity-util-mem v0.7.0
[INFO] [stderr]    Compiling signature v1.3.0
[INFO] [stderr]    Compiling environmental v1.1.2
[INFO] [stderr]    Compiling dyn-clone v1.0.4
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling base58 v0.1.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling ed25519 v1.0.3
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling wasmi-validation v0.3.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling hash256-std-hasher v0.15.2
[INFO] [stderr]    Compiling hmac-drbg v0.2.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling uint v0.8.5
[INFO] [stderr]    Compiling pbkdf2 v0.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling sha2 v0.9.3
[INFO] [stderr]    Compiling sha2 v0.8.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling futures-task v0.3.12
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling wasmi v0.6.2
[INFO] [stderr]    Compiling fixed-hash v0.6.1
[INFO] [stderr]    Compiling twox-hash v1.6.0
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.12
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling sp-debug-derive v2.0.1
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling dyn-clonable v0.9.0
[INFO] [stderr] error: could not compile `libsecp256k1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name secp256k1 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libsecp256k1-0.3.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="hmac"' --cfg 'feature="hmac-drbg"' --cfg 'feature="sha2"' --cfg 'feature="std"' --cfg 'feature="typenum"' -C metadata=c0b07bf22b61c1b8 -C extra-filename=-c0b07bf22b61c1b8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arrayref=/opt/rustwide/target/debug/deps/libarrayref-dfd5feafb83e6c19.rmeta --extern crunchy=/opt/rustwide/target/debug/deps/libcrunchy-73ef11d25da50800.rmeta --extern digest=/opt/rustwide/target/debug/deps/libdigest-2e57f1026673cb12.rmeta --extern hmac_drbg=/opt/rustwide/target/debug/deps/libhmac_drbg-21b720accf383cca.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-a58e0260493530a4.rmeta --extern sha2=/opt/rustwide/target/debug/deps/libsha2-391cd18b622627ff.rmeta --extern subtle=/opt/rustwide/target/debug/deps/libsubtle-9e3dc40e23c1aa0e.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-4b4e05fd02bdb2f7.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "159b9d4bc223a7f296adaa77f73a04c400e4ef1f5b02e13f632f3493c90e066c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "159b9d4bc223a7f296adaa77f73a04c400e4ef1f5b02e13f632f3493c90e066c", kill_on_drop: false }`
[INFO] [stdout] 159b9d4bc223a7f296adaa77f73a04c400e4ef1f5b02e13f632f3493c90e066c